From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.devel Subject: Re: run-hooks vs. run-mode-hooks. Date: Fri, 27 May 2005 12:07:32 -0400 Message-ID: References: <874qcro5gv.fsf@xs4all.nl> <87hdgp4fa1.fsf@xs4all.nl> NNTP-Posting-Host: main.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: sea.gmane.org 1117210236 31734 80.91.229.2 (27 May 2005 16:10:36 GMT) X-Complaints-To: usenet@sea.gmane.org NNTP-Posting-Date: Fri, 27 May 2005 16:10:36 +0000 (UTC) Cc: emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Fri May 27 18:10:33 2005 Return-path: Original-Received: from lists.gnu.org ([199.232.76.165]) by ciao.gmane.org with esmtp (Exim 4.43) id 1DbhOU-0007Sv-TN for ged-emacs-devel@m.gmane.org; Fri, 27 May 2005 18:09:07 +0200 Original-Received: from localhost ([127.0.0.1] helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1DbhSn-0007RX-HY for ged-emacs-devel@m.gmane.org; Fri, 27 May 2005 12:13:33 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1DbhRx-0006uO-NI for emacs-devel@gnu.org; Fri, 27 May 2005 12:12:41 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1DbhRs-0006pi-T4 for emacs-devel@gnu.org; Fri, 27 May 2005 12:12:37 -0400 Original-Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1DbhRs-0006o1-3P for emacs-devel@gnu.org; Fri, 27 May 2005 12:12:36 -0400 Original-Received: from [132.204.24.67] (helo=mercure.iro.umontreal.ca) by monty-python.gnu.org with esmtp (Exim 4.34) id 1DbhNw-0002Gm-Bj for emacs-devel@gnu.org; Fri, 27 May 2005 12:08:32 -0400 Original-Received: from hidalgo.iro.umontreal.ca (hidalgo.iro.umontreal.ca [132.204.27.50]) by mercure.iro.umontreal.ca (Postfix) with ESMTP id 035F92CF4DB; Fri, 27 May 2005 12:07:37 -0400 (EDT) Original-Received: from asado.iro.umontreal.ca (asado.iro.umontreal.ca [132.204.24.84]) by hidalgo.iro.umontreal.ca (Postfix) with ESMTP id 314414AC008; Fri, 27 May 2005 12:07:32 -0400 (EDT) Original-Received: by asado.iro.umontreal.ca (Postfix, from userid 20848) id 46DB6E6C19; Fri, 27 May 2005 12:07:32 -0400 (EDT) Original-To: Juanma Barranquero In-Reply-To: (Juanma Barranquero's message of "Fri, 27 May 2005 10:01:30 +0200") User-Agent: Gnus/5.11 (Gnus v5.11) Emacs/22.0.50 (gnu/linux) X-DIRO-MailScanner-Information: Please contact the ISP for more information X-DIRO-MailScanner: Found to be clean X-DIRO-MailScanner-SpamCheck: n'est pas un polluriel, SpamAssassin (score=-4.841, requis 5, autolearn=not spam, AWL 0.06, BAYES_00 -4.90) X-MailScanner-From: monnier@iro.umontreal.ca X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:37786 X-Report-Spam: http://spam.gmane.org/gmane.emacs.devel:37786 > (if (fboundp 'function-in-doubt) > (defalias 'mymodule-function-in-doubt 'function-in-doubt) > (defun mymodule-function-in-doubt ...)) Actually this form has the disadvantage that the byte-compiler would have to check which functions are defnied in every branch. And snice it doesn't do that as of now, the byte-compiler won't noticve that this form does define `mymodule-function-in-doubt' and will hencforth issue warnings when you call that function. Better use: (defalias 'mymodule-function-in-doubt (if (fboundp 'function-in-doubt) 'function-in-doubt (lambda (..) ...))) which makes it trivially obvious that `mymodule-function-in-doubt' will indeed always be defined. Stefan